Similar to 近代三角形幾何学

Encyclopedia of Triangle Centers

1 + 2 + 3 + 4 + ⋯

68–95–99.7 rule

LF-space

M/M/1 queue

T1 space

Abelian category

Hacienda Nápoles

British flag theorem

Cynology

Metropolitan and non-metropolitan counties of England

Weesp train disaster

Death and state funeral of Elizabeth II

Sino-Xenic vocabularies

Trogocytosis

Central line (geometry)

Abramowitz and Stegun

Mathematics Genealogy Project

Mathesis (journal)

Vieta jumping

Yff center of congruence

Congruent isoscelizers point

Equal parallelians point

Catalogue of Triangle Cubics

Circumgon

Apollonius point

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